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Numerical experiments on consistent horizontal and vertical resolution for atmospheric models and observing systemsSimple numerical experiments are performed in order to determine the effects of inconsistent combinations of horizontal and vertical resolution in both atmospheric models and observing systems. In both cases, we find that inconsistent spatial resolution is associated with enhanced noise generation. A rather fine horizontal resolution in a satellite-data observing system seems to be excessive when combined with the usually available relatively coarse vertical resolution. Using horizontal filters of different strengths, adjusted in such a way as to render the effective horizontal resolution more consistent with vertical resolution for the observing system, may result in improvement of the analysis accuracy. The increase of vertical resolution for a satellite data observing system with better vertically resolved data, the results are different in that little or no horizontal filtering is needed to make spatial resolution more consistent for the system. The obtained experimental estimates of consistent vertical and effective horizontal resolution are in a general agreement with consistent resolution estimates previously derived theoretically by the authors.
Document ID
19930041273
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Fox-Rabinovitz, Michael S.
(NASA Goddard Space Flight Center Greenbelt, MD, United States)
Lindzen, Richard S.
(MIT Cambridge, MA, United States)
Date Acquired
August 16, 2013
Publication Date
January 1, 1993
Publication Information
Publication: Monthly Weather Review
Volume: 121
Issue: 1
ISSN: 0027-0644
Subject Category
Meteorology And Climatology
Accession Number
93A25270
Funding Number(s)
CONTRACT_GRANT: NSF ATM-85-20354
CONTRACT_GRANT: NAGW-525
Distribution Limits
Public
Copyright
Other

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